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<p style="color: #777777;">
<a href="https://gitlab.com/lumag">Dmitry Eremin-Solenikov</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/merge_requests/1070#note_222164783">lib/x509/key_encode.c</a>:
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<td class="diff-line-num new new_line" data-linenumber="566" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC566" class="line" lang="c">             <span class="p">(</span><span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">curve</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_ECC_CURVE_GOST256TEST</span> <span class="o" style="font-weight: 600;">||</span></span>
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<pre style="margin: 0;">+<span id="LC567" class="line" lang="c">              <span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">curve</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_ECC_CURVE_GOST256CPA</span> <span class="o" style="font-weight: 600;">||</span></span>
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<td class="diff-line-num new new_line" data-linenumber="568" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC568" class="line" lang="c">              <span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">curve</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_ECC_CURVE_GOST256CPB</span> <span class="o" style="font-weight: 600;">||</span></span>
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<td class="diff-line-num new new_line" data-linenumber="569" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC569" class="line" lang="c">              <span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">curve</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_ECC_CURVE_GOST256CPC</span> <span class="o" style="font-weight: 600;">||</span></span>
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<pre style="margin: 0;">+<span id="LC570" class="line" lang="c">              <span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">curve</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_ECC_CURVE_GOST256CPXA</span> <span class="o" style="font-weight: 600;">||</span></span>
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<pre style="margin: 0;">+<span id="LC571" class="line" lang="c">              <span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">curve</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_ECC_CURVE_GOST256CPXB</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC572" class="line" lang="c">            <span class="n" style="color: #333;">oid</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">HASH_OID_STREEBOG_256</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC561" class="line" lang="c">    <span class="k" style="font-weight: 600;">else</span> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">params</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">algo</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">GNUTLS_PK_GOST_12_512</span><span class="p">)</span></span>
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<pre style="margin: 0;">-<span id="LC562" class="line" lang="c">            <span class="n" style="color: #333;">oid</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">HASH_OID_STREEBOG_512</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC563" class="line" lang="c">    <span class="k" style="font-weight: 600;">else</span> <span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC564" class="line" lang="c">            <span class="n" style="color: #333;">gnutls_assert</span><span class="p">();</span></span>
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<pre style="margin: 0;">-<span id="LC565" class="line" lang="c">            <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">GNUTLS_E_INVALID_REQUEST</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC566" class="line" lang="c">            <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">cleanup</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC567" class="line" lang="c">    <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC573" class="line" lang="c">    <span class="k" style="font-weight: 600;">else</span></span>
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<pre style="margin: 0;">+<span id="LC574" class="line" lang="c">            <span class="n" style="color: #333;">oid</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span></span>
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<p dir="auto">The digest has 1:1 correspondence with pk algorithm. So historically it was a duplicate information. Now it is getting removed.</p>
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